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Get keys from HashMap in Java
...tore 1 with key "foo" and 2 with key "bar". To iterate over all the keys:
for ( String key : team1.keySet() ) {
System.out.println( key );
}
will print "foo" and "bar".
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Reading a binary file with python
...le with Python. Can you give me a hand?
I need to read this file, which in Fortran 90 is easily read by
6 Answers
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Doctrine - How to print out the real sql, not just the prepared statement?
...actually using prepared statements, which means :
Sending the statement, for it to be prepared (this is what is returned by $query->getSql())
And, then, sending the parameters (returned by $query->getParameters())
and executing the prepared statements
This means there is never a "real" SQL...
Passing an Array as Arguments, not an Array, in PHP
...emember that in PHP there is a way to pass an array as a list of arguments for a function, dereferencing the array into the standard func($arg1, $arg2) manner. But now I'm lost on how to do it. I recall the manner of passing by reference, how to "glob" incoming parameters ... but not how to de-l...
Understanding ibeacon distancing
...actly an ibeacon can measure. Lets say I am 300 feet away...is it possible for an ibeacon to detect this?
7 Answers
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How to pass a function as a parameter in Java? [duplicate]
...nterface with only a single abstract method (sometimes called a SAM type), for example:
public interface MyInterface {
String doSomething(int param1, String param2);
}
then anywhere where MyInterface is used, you can substitute a lambda expression:
class MyClass {
public MyInterface myIn...
How do I raise a Response Forbidden in django
...view as you would any other response.
from django.http import HttpResponseForbidden
return HttpResponseForbidden()
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How to get the IP address of the docker host from inside a docker container
...
When you are using the docker bridge (default) for the containers, this will output the bridges IP like 172.17.42.1 rather than the host's IP such as 192.168.1.x (I'm assuming your host is on a home NAT). Using @Magno Torres answer is probably what people want in such sit...
How to use SSH to run a local shell script on a remote machine?
...
For a script that requires sudo, run ssh root@MachineB 'echo "rootpass" | sudo -Sv && bash -s' < local_script.sh.
– bradley.ayers
Sep 20 '12 at 23:32
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Argparse optional positional arguments?
...olan: Yes, + works, too. See docs.python.org/2/library/argparse.html#nargs for the details.
– Vinay Sajip
Jan 8 '13 at 23:53
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